import { Injectable } from '@angular/core';
import { AppConfig } from '../config';
import { Headers, Http } from '@angular/http';
import { ModelParamValue } from '../entity/model-Param-value';
import { InterceptorService } from '../service/interceptor/interceptor-service';

@Injectable()
export class ModelParamValueService {
  private param: string = "modelParamValues";
  private get url(): string {
    return `${AppConfig.APP_RESTFUL}/${this.param}`;
  }

  constructor(private http: InterceptorService) { }
  
create(modelParam: ModelParamValue): Promise<ModelParamValue> {
    return this.http.post(this.url, JSON.stringify(modelParam))
        .toPromise()
        .then(res => {
            try {
                let result = res.json();
                switch (result.code) {
                    case "200":
                        return result.data as ModelParamValue;
                    case "-1":
                        throw new Error(result.message);
                }
            }
            catch (error) {
                this.handleError(error);
            }
        })
        .catch(this.handleError);
}
update(modelParam: ModelParamValue): Promise<ModelParamValue> {
    return this.http.put(this.url, JSON.stringify(modelParam))
        .toPromise()
        .then(() => ModelParamValue )
        .catch(this.handleError);
}
delete(id: number): Promise<void> {
    const url = `${this.url}/${id}`;
    return this.http.delete(url)
        .toPromise()
        .then(() => null)
        .catch(this.handleError);
}
batchDelete(valueIds: number[]): Promise<boolean> {
    const apiUrl = `${this.url}?items=${valueIds}`;
    return this.http.delete(apiUrl)
        .toPromise()
        .then(response => {
            try {
                let result = response.json();
                switch (result.code) {
                    case "200":
                        return true;
                    case "-1":
                        throw new Error(result.message);
                }
            }
            catch (error) {
                throw error;
            }

        })
        .catch(this.handleError);
}

private handleError(error: any): Promise<any> {
    // console.error('An error occurred', error); // for demo purposes only
    return Promise.reject(error.message || error);
}
}



// WEBPACK FOOTER //
// ./src/app/service/model-param-value.service.ts